set up example scaping for docs.rs (#2450)

packages/hooks/Cargo.toml

@@ -30,3 +30,6 @@ dioxus-core = { workspace = true }
 dioxus = { workspace = true }
 web-sys = { version = "0.3.64", features = ["Document", "Window", "Element"] }
 tokio = { version = "1.0", features = ["full"] }
+
+[package.metadata.docs.rs]
+cargo-args = ["-Zunstable-options", "-Zrustdoc-scrape-examples"]